Design and realization of the acoustic waves flight time measurement system based on cross - correlation method 基于互相關(guān)技術(shù)的聲波飛行時(shí)間測(cè)量系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)
Research on de - cross - correlation methods based on time axis perturbation in multi - channel acoustic echo cancellation 多路聲回波對(duì)消中基于時(shí)基微擾的去互相關(guān)法的研究
Standard test method for measuring ultrasonic velocity in advanced ceramics with broadband pulse - echo cross - correlation method 用寬帶脈沖反射交互作用法測(cè)量高級(jí)陶瓷中超聲速率的標(biāo)準(zhǔn)試驗(yàn)方法
Cross - correlation method used in get based frequency part and realized balancing function . gao huawei ( mechanical design and theory ) directed by vice - prof 采用互相關(guān)原理提取振動(dòng)信號(hào)基頻分量,計(jì)算振幅和相位,完成了動(dòng)平衡功能。
Both ratio of average ( roa ) and cross - correlation method use local statistics to judge road . they perform good detection while smoothing speckle . moreover , they both have constant false alarm rate ( cfar ) which is important in radar target detecting 本文所采用的均值比例算子和互相關(guān)算子利用圖像局部的統(tǒng)計(jì)信息進(jìn)行判決,在檢測(cè)道路基元的同時(shí)對(duì)圖像進(jìn)行局部平滑以降低相干斑干擾;并且兩個(gè)算子都具有恒虛警特性,門限值由給定的虛警概率確定。